Using ArrayList -- Only One Object Being Displayed

Processing Beginners
7 
int total = 4;
ArrayList<Curly> plist = new ArrayList<Curly>();
float time = random(0, 1);
float size = random(300, 600);
PVector location = new PVector(random(-20, 20), random(-20, 20));
PVector velocity = new PVector (random(-.5, .5), random(-.5, .5));
float angle = velocity.heading();

void setup() {
   size(1280, 1280);
  for (int i = 0; i < total; i++) {
    plist.add(new Curly(size, location, velocity, time, angle));
  
  }
    

}

void draw() {
  background(0);
  noFill();
  stroke(255);
  for (int i = 0; i < plist.size(); i++) {
    //println("the number is " + i);
    Curly p = plist.get(i);
    p.display();
  }
  //saveFrame("output/creatures_####.png");
}

class Curly{
  float s;
  PVector location;
  Tail tail1;
  Tail tail2;
  Curly(float size, PVector loc, PVector vel, float t, float a){
    s = size;
    tail1 = new Tail(size, loc, vel, 1, t, a);
    tail2 = new Tail(size, loc, vel, -1, t, a); 
  }
  
  void display(){
    resetMatrix();
    translate(width / 2, height / 2);
    tail1.display();
    resetMatrix();
    translate(width / 2, height / 2);
    tail2.display();  
  }

}

class Tail{
  float time = 0;
  PVector velocity;
  PVector location; 
  float maxspeed;
  int steps;
  float lineLength;
  int sign;
  float x;
  float y;
  float sizeWeight;
  float angle;
  float v_a;
  float v_x;
  float v_y;
  
  Tail(float size, PVector loc, PVector vel, int s, float t, float a){ // acceleration, velocity
    time = t;
    lineLength = size;
    location = loc;
    steps = 300; // resolution
    sign = s;
    x = loc.x;
    y = loc.y;
    sizeWeight = size/1000;
    angle = a;
    v_a = 0.01;
    v_x = vel.x;
    v_y = vel.y;
    
  }

  void display(){
  translate(x,y);
    
    rotate(angle);
    
    float segmentLength = (float) lineLength / steps;
    float timeCurvature = (cos(time)+1) / 2.0; 
    for (int i = 0; i < steps; i++) { // i = 0
    // O to 1 value indicating how far we are from the origin of the curve
    float farFromOrigin = (float) i / (steps - 1);
    strokeWeight((1 - farFromOrigin/1.5) * 3* sizeWeight + 2); // strokeWeight(3);//
    // dividing into segments
    line(0, 0, segmentLength, 0);       
    // Rotate the coordinate system (it keeps the rotations since we are not calling push/pop) 
    rotate(exp(farFromOrigin / 2.0) * timeCurvature * TWO_PI / (4*50.0 * (1 - farFromOrigin/1.5 + 0.1)));
    // Then translate it
    translate(sign*segmentLength, 0);
    }
    time += 0.01;
    x = x + v_x;
    y = y + v_y;
    angle = angle + v_a;
  }    
}